3113220031131 has 16 divisors (see below), whose sum is σ = 4993636140800. Its totient is φ = 1685352197088.

The previous prime is 3113220031123. The next prime is 3113220031153. The reversal of 3113220031131 is 1311300223113.

It is a happy number.

It is not a de Polignac number, because 3113220031131 - 2³ = 3113220031123 is a prime.

It is a super-2 number, since 2×3113220031131² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3113220031098 and 3113220031107.

It is not an unprimeable number, because it can be changed into a prime (3113220031171) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3901277836 + ... + 3901278633.

It is an arithmetic number, because the mean of its divisors is an integer number (312102258800).

Almost surely, 2^{3113220031131} is an apocalyptic number.

3113220031131 is a deficient number, since it is larger than the sum of its proper divisors (1880416109669).

3113220031131 is a wasteful number, since it uses less digits than its factorization.

3113220031131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7802556498.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 3113220031131 its reverse (1311300223113), we get a palindrome (4424520254244).

The spelling of 3113220031131 in words is "three trillion, one hundred thirteen billion, two hundred twenty million, thirty-one thousand, one hundred thirty-one".